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Trek® Lync Supplement to owner’s manual

This manual gives instructions on the use and maintenance of the built-in lighting system on the Trek Lync bicycle. It is a supplement to the Trek Bicycle Owner’s Manual.

This manual is written for the owner and does not require mechanical experience. Some maintenance should only be performed by the dealer, and this manual tells you when that is.

® Trek is a registered trademark of the Trek Bicycle Corporation© Copyright Trek Bicycles 2014

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“To See” light systemThe lighting system on the Lync is a “To See” system, intended to work as a head light in low-visibility situations. The high-output LEDs (Light Emitting Diodes) provide a bright 550 lumens headlight in a focused pattern to illuminate the road ahead. The taillights (two) are 3 lumens each.

This type of light meets lighting requirements in most areas. Check with local authorities for the requirements in your area.

The other type of light system, “To Be Seen” lights, provide a wide beam in a dispersed pattern so that the light is visible from a wider angle. For best results, use both types of lights.

WARNING: A bicycle without correct lights and reflectors might be difficult for other people to see, and you might not be able to see. If you cannot see, or other people cannot see you, you could have an accident. Make sure your lights operate correctly and that batteries are charged.

Table of Contents

Foreword“To See” light systems................................... i

Explanation of the system ......................... 1Tools needed ................................................1

Parts of the systemBattery pack .................................................1Dock .............................................................2Lights ............................................................3Control panel ...............................................3Wires ............................................................3

Riding with the LyncSwitching the lights off, on, and flashing ..... 4Battery indicator lights .................................4

Recharging the battery .............................. 4

Important:

The Lithium Ion battery should be fully recharged before your first use, and before any extended use.

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Trek Lync Owner’s Manual Supplement

Parts of the System

Explanation of the systemThe Lync lighting system uses a rechargeable Lithium Ion battery to power a headlight and two taillights. Each light uses a high-output LED (Light-Emitting Diode) with a specially-engineered reflector. This combination creates a light that is visible from a wide angle.

Tools neededThe Lync includes a micro-USB cable for recharging the battery. You will need a 2mm hex wrench to adjust the angle of the headlight.

Battery packThe Lync system uses a Lithium Ion battery, which is housed inside a small case, or battery pack. The battery pack can easily be removed from the bike for recharging.

Battery pack and dock

HeadlightTaillights

Control panel

FIGURE 1 Parts of the system

Specifications:• Lithium Ion battery• 3100mAh 3.7V

Notice: Avoid mishandling of the battery pack. These actions or others can cause damage to or permanently disable the battery pack:• Recharging the battery when hot, such as when

sitting in direct sunlight• Cleaning the battery pack with a high-pressure

washer• Dropping or impacting the battery pack• Immersing the battery pack in water• Opening or puncturing the battery pack• Short-circuiting the terminals

With a full charge, the battery should power the Lync light system for about two hours forty minutes at full power, or five hours at low power. This time will vary according to battery condition, temperature, and other environmental factors. When the battery charge is at 10% or lower, a red indicator light will flash on the upper portion of the battery pack. The indicator light stops flashing if the battery pack is removed from the bike.

Traveling with Lithium Ion batteriesWith a Lithium Ion battery, certain restrictions on travel apply. If the terminals are shorted on a Lithium Ion battery, it can cause the battery to overheat and possibly cause a fire. For this reason, airlines do not allow Lithium Ion batteries in checked baggage; you must put Lithium Ion batteries in your carry-on. Always check with the carrier before traveling with Lithium Ion batteries.

Extending the battery lifeThe Lync system battery is a long-life system. The expected life of the battery is 300 to 400 charges. To extend the battery life, store it in a mostly-charged (not fully-charged) condition at room temperature, and avoid extreme temperatures when recharging.

Storing the battery packWhen not using the battery pack for long

Parts of the systemThis section explains each component of the Lync system (Figure 1): battery pack, dock, headlight, taillights, control panel, and wires.

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periods of time such as a week or more, store it at room temperature in a dry place. Avoid moisture, or extreme hot or cold.

Store the battery pack in the charged condition. Battery life will decrease if the battery pack is stored in a fully-discharged condition.

To remove the battery pack1. Push and hold the latch (Figure 2) while you slide

the battery pack along the down tube (Figure 3) about 5mm (1/8“).

2. Lift the battery pack away from the dock (Figure 4).

To install the battery pack1. Make sure the battery pack and dock are clean.

If required, wipe the contacts with a damp cloth, fingertip, or pencil eraser.

2. Place the battery pack flat on the dock in position for installation (Figure 3) so that the hooks (Figure

Parts of the System

FIGURE 6Dock cover protects electrical contacts

FIGURE 2Battery pack installed on dock

Latch

Indicator light

FIGURE 5Dock on down tube of frame

Hooks

5) are aligned for engagement.3. Slide the battery pack along the dock until the

latch locks the battery pack into place. You should hear a ‘click’ when the latch engages. The red indicator light on the battery will illuminate for about three seconds, and the front and taillights will flash momentarily.

RecyclingThe battery will eventually lose strength. When the charge no longer lasts as long as it should, purchase a new battery pack from your dealer. When you do, please recycle the old battery pack. In the U.S. go to http://www.call2recycle.org/

Outside the U.S., ask your dealer for the location of a recycling center.

DockThe dock is located on the down tube of the bike frame, near the crankset (Figure 5). When the battery pack is removed from the bike, use the dock cover to protect the electrical contacts of the dock (Figure 6).

If the battery pack (Figure 2) is on your bike, the dock is underneath the battery pack.

FIGURE 4Lifting the battery pack away from dock

FIGURE 3Battery pack in position for removal or installation

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Trek Lync Owner’s Manual Supplement

WiresThe wires run inside the frame. On any electrical system, the integrity of the wires and connections are critical for the system to function. The connections on the Lync system are a high-quality, positive-engagement type and resistant to water.

Avoid contaminating the wires or connections with excessive moisture (such as immersion or power washing the bike), which can lead to a short circuit that could cause the lights on the Lync to malfunction.

FIGURE 8Control panel with buttons for headlight and taillights

Control panel The control panel is located under the top tube of the frame, near the head tube (Figure 8). It has two buttons; the front button is for the headlight, the rear button is for the taillights. They control the light functions.

LightsThe headlight of the Lync system is in the head tube (Figure 7). It can be switched to Off, High, or Low. There are two taillights: one in each of the rear dropouts. The taillights can be switched to On, Flash, or Off.

The Lync system lights are maintenance free; because they use LEDs, there are no bulbs to burn out. If your lights do not work (but your battery pack is charged and connected), take your bicycle to your dealer for service.

The headlight on the Lync is a “To See” system, intended to illuminate the road ahead of you. This system provides light in a focused beam. It does not provide the wide, dispersed beam of a ‘to be seen’ light. For any amount of night riding, you should add a ‘to be seen’ light to your bicycle.

The angle of the headlight can be adjusted with a 2mm hex wrench. The adjusting screw is located just above the light (Figure 7) and accessible through the cover. Do not turn the screw past the stop; overtightening can damage the bracket.

FIGURE 7Headlight on head tube of frame

CAUTION: If left On for an extended period of time, especially if the bike is stationary, the headlight may be hot.

Angle adjusting screw

Parts of the System

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To recharge the battery1. Remove the battery from the dock.2. Plug your computer to a power source.3. Connect the battery pack to the computer with

the supplied micro-USB cord. To access the port on the battery pack, lift the cover (Figure 11). Alternately, connect the battery pack to a wall charger with the micro-USB cord.

Note: There is no data exchanged with the computer.

Time requiredWith a completely empty battery, it takes about 6 hours to achieve a full charge.

When using a USB hub, charging may be slow. In that case, connect the USB cable directly to a computer’s USB port or use a USB wall charger.

Indicator lights while chargingWhile charging, the battery pack indicator light is red. When the battery pack has a full charge, the indicator light changes to green.

Riding with the LyncThis section explains the very easy operation of the Lync lighting system.

Switching the lights off, on, and flashingThe control panel has two buttons; the front button is for the headlight, the rear button is for the taillights. They control the light functions. To switch to On or change the mode, push a button. To switch to Off, hold the button:• Front: High, Low, and Off• Rear: On, Flash, and Off

If you choose to use the control panel while riding, be careful to maintain control of the bike while your hand is off the handlebar.

Battery pack indicator lightWhen the battery charge is at 10% or lower, the indicator light on the battery pack (Figure 9) will show red. In addition, the headlight will start a slow-blink pattern and the taillights will flash.

FIGURE 10Micro-USB cable

CAUTION: During charging, the battery can get hot, reaching a temperature of 40°C/104°F.

FIGURE 9Indicator light on battery pack case

Recharging the batteryThis section explains about recharging the battery on the Lync system.

For best results, recharge the battery at room temperature. Recharging the battery at extremes of temperature can result in less than a full charge. Also avoid moisture when recharging. It is best to do so inside your home or office.

FIGURE 11USB port cover on underside of battery pack, and connected to micro-USB cable

Cover

Riding with the Lync